Finding the Fourth Proportional to 935,279.84, 1,290,685.61 and 505,559.97
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Solution
The fourth proportional to 935,279.84, 1,290,685.61 and 505,559.97 is: 697,672.45
Step by Step Solution
- Step 1: Write the proportion equation
935,279.84 : 1,290,685.61 = 505,559.97 : x - Step 2: Convert to fraction form
935,279.84/1,290,685.61 = 505,559.97/x - Step 3: Cross multiply
935,279.84x = 1,290,685.61 × 505,559.97 - Step 4: Simplify right side
935,279.84x = 652,518,979,534.93 - Step 5: Solve for x
x = 652,518,979,534.93/935,279.84 - Step 6: Final answer
x = 697,672.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.